Interlocking foundation construction block



FIG. 1 is a right isometric view of an interlocking foundation construction block showing our new design;

FIG. 2 is a left isometric view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevation view thereof, which is a mirror image of the back elevation view thereof; and,

FIG. 6 is a right side elevation view thereof, which is a mirror image of the left side elevation view thereof. 

CLAIM The ornamental design for an interlocking foundation construction block, as shown and described. 